Answer:
In Manchester England in the 1840's there were factories that used coal which coated the trees. This allowed the darker moths to hide better against the trees than the lighter moths which were eaten by birds.
Explanation:
Answer:
pathogens and bodily fluids.
Explanation:
Where 2 carriers of recessive gene have a child, that child has a 1 in 4 chance of receiving 2 albinism genes and having albinism.
